One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,6,7,8)(10,12)(11,15)(17,18,22,19)(20,24,21,23)(25,26,28,30)(27,29,31,32)(2,4)(6,8)(17,19,22,18)(20,24,21,23)(27,31)(29,32)(3,7)(6,8)(9,10,13,12)(11,14,15,16)(17,20,22,21)(18,23,19,24)(25,27,28,31)(26,29,30,32)(1,3,5,7)(2,6,4,8)(9,11)(10,14)(12,16)(13,15)(25,26)(27,29)(28,30)(31,32)(1,4,5,2)(3,8,7,6)(9,12,13,10)(11,16,15,14)(17,21,22,20)(18,24,19,23)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.